Home / 6,742.51-10,110.79-3,621.58

Finding the Fourth Proportional to 6,742.51, 10,110.79 and 3,621.58

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Solution

The fourth proportional to 6,742.51, 10,110.79 and 3,621.58 is: 5,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.51 : 10,110.79 = 3,621.58 : x
  2. Step 2: Convert to fraction form
    6,742.51/10,110.79 = 3,621.58/x
  3. Step 3: Cross multiply
    6,742.51x = 10,110.79 × 3,621.58
  4. Step 4: Simplify right side
    6,742.51x = 36,617,034.85
  5. Step 5: Solve for x
    x = 36,617,034.85/6,742.51
  6. Step 6: Final answer
    x = 5,430.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.